Scientists say too much airborne nitrogen from farms is throwing off the ecological balance of Rocky Mountain National Park. So the federal government is hoping weather alerts for farmers will help.
The court ruled Monday that a law requiring the deportation of immigrants who violate any kind of drug regulation did not justify deporting a man who was caught with Adderall in his sock.
Melting ice means more of the Arctic is accessible to exploration and shipping, and countries are racing to establish a presence. But they still need heavy icebreakers, and the U.S. is falling behind.
The littlest things — punctuation, precise word choice and grammar — can hold tremendous power in worldwide climate negotiations. This year in Europe, editors get a chance to help make history.
Meteorologists say this year's hurricane season will be quieter than usual. But if a Category 3 or higher hit the U.S., it would be the first time since 2005, one of the worst years on record.
The federal government spends $7 billion a year to incarcerate about 200,000 inmates. That's money Deputy Attorney General Sally Yates says could pay for more FBI agents and local police.
The Obama administration is pressing the Senate to act to prevent key parts of the USA Patriot Act from expiring at the end of Sunday. Administration officials argue an expiration could hurt counterterrorism efforts. NPR's Karen Grigsby Bates gets an update from correspondent Scott Horsley.
Vertical farms, food trucks, tropical forests and the supermarket of the future are on display at Expo 2015 in Milan. Exhibits from 145 countries focus on how to feed the planet sustainably.
The Clemente course provides low-income adults with college-level education about the arts, literature and the humanities — topics often lost in the race to get a practical degree.
The largest outbreak of avian flu in U.S. history is ravaging poultry at farms in the Midwest. Sec. Tom Vilsack says there's no risk of transmission to humans, but egg prices may rise.